Sock



FIG. 1 is a top view of a sock showing my new design in an in-useconfiguration;

FIG. 2 is a front perspective view of the sock of FIG. 1 shown in anin-use configuration; and,

FIG. 3 is a rear perspective view of the sock of FIG. 1 shown in anin-use configuration.

The broken lines immediately adjacent to the shaded area representunclaimed boundaries of the design. The broken lines showing theremainder of the sock are for environmental purposes only and form nopart of the claimed design.

CLAIM The ornamental design for a sock, as shown and described.